PT-2023-21871 · Nextcloud · Nextcloud Android App

Nickvergessen · Publicado 2023-03-30 · Atualizado 2023-04-07 · CVE-2023-28646

Positive Technologies (AI Summary)

CVSS v3.1

4.4

Média

Vetor base

AV:P/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:L

Name of the Vulnerable Software and Affected Versions Nextcloud Android versions 3.7.0 through 3.24.0

Description The Nextcloud Android app has a security issue that allows an attacker with access to an unlocked physical device to bypass the Pin/passcode protection using a third-party app. This enables the attacker to view meta information such as sharer, sharees, and activity of files.

Recommendations For versions 3.7.0 through 3.24.0, upgrade the Nextcloud Android app to version 3.24.1 to resolve the issue.

Exploit

Correção

Improper Preservation of Permissions

Improper Authentication

Enumeração de Fraquezas

CWE-281

CWE-287

Identificadores relacionados

CVE-2023-28646

GHSA-C3RF-94H6-VJ8V

Produtos afetados

Nextcloud Android App

Referências · 6

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/28xxx/CVE-2023-28646.json · Exploit
• https://github.com/nextcloud/android/pull/11242 · Correção
• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-c3rf-94h6-vj8v · Aviso do Fabricante
• https://nvd.nist.gov/vuln/detail/CVE-2023-28646 · Nota de Segurança
• https://osv.dev/vulnerability/CVE-2023-28646 · Aviso do Fabricante
• https://t.me/cibsecurity/61190 · Publicação no Telegram